Abdelmotelb, A., S. Ralhan, and M. Saber. “Early Results of Total Arterial off-Pump Coronary Artery Bypass Grafting Using Bilateral Internal Mammary Arteries”. The Egyptian Cardiothoracic Surgeon, Vol. 5, no. 2, Mar. 2023, pp. 34 -39, doi:10.35810/ects.v1i1.252.